39710680

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2861}}^1$

素因数の和:3219

約数の個数: 32

約数和(自身を含む): 89637840

約数和(自身を除く): 49927160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 2861, 3470, 5722, 6940, 11444, 13880, 14305, 22888, 28610, 57220, 114440, 992767, 1985534, 3971068, 4963835, 7942136, 9927670, 19855340, 39710680]

約数ペア:

[(1, 39710680), (2, 19855340), (4, 9927670), (5, 7942136), (8, 4963835), (10, 3971068), (20, 1985534), (40, 992767), (347, 114440), (694, 57220), (1388, 28610), (1735, 22888), (2776, 14305), (2861, 13880), (3470, 11444), (5722, 6940)]